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ID

VAR-202102-0826


CVE

CVE-2020-4931


TITLE

IBM MQ Appliance Denial of Service Vulnerability (CNVD-2021-12640)

Trust: 0.6

sources: CNVD: CNVD-2021-12640

DESCRIPTION

IBM MQ 9.1 LTS, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a denial of service due to an issue processing messages. IBM X-Force ID: 191747. IBM MQ Appliance is an all-in-one device from IBM of the United States for rapid deployment of enterprise-level messaging middleware. There is a security vulnerability in the IBM MQ Appliance. Attackers can use this vulnerability to trigger a fatal error through the AMQP channel of the IBM MQ appliance, thereby triggering a denial of service

Trust: 1.44

sources: NVD: CVE-2020-4931 // CNVD: CNVD-2021-12640

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-12640

AFFECTED PRODUCTS

vendor:ibmmodel:mqscope:eqversion:9.1.0.0

Trust: 1.0

vendor:ibmmodel:mqscope:eqversion:9.1.0

Trust: 1.0

vendor:ibmmodel:mqscope:eqversion:9.2.0.0

Trust: 1.0

vendor:ibmmodel:mq appliancescope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2021-12640 // NVD: CVE-2020-4931

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-4931
value: MEDIUM

Trust: 1.0

psirt@us.ibm.com: CVE-2020-4931
value: MEDIUM

Trust: 1.0

CNVD: CNVD-2021-12640
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202102-1508
value: MEDIUM

Trust: 0.6

nvd@nist.gov: CVE-2020-4931
severity: MEDIUM
baseScore: 4.0
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

CNVD: CNVD-2021-12640
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2020-4931
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.1

Trust: 1.0

psirt@us.ibm.com: CVE-2020-4931
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.0

Trust: 1.0

sources: CNVD: CNVD-2021-12640 // CNNVD: CNNVD-202102-1508 // NVD: CVE-2020-4931 // NVD: CVE-2020-4931

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

sources: NVD: CVE-2020-4931

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202102-1508

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202102-1508

PATCH

title:Patch for IBM MQ Appliance Denial of Service Vulnerability (CNVD-2021-12640)url:https://www.cnvd.org.cn/patchInfo/show/249166

Trust: 0.6

title:IBM MQ Appliance Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=142521

Trust: 0.6

sources: CNVD: CNVD-2021-12640 // CNNVD: CNNVD-202102-1508

EXTERNAL IDS

db:NVDid:CVE-2020-4931

Trust: 2.2

db:CNVDid:CNVD-2021-12640

Trust: 0.6

db:CNNVDid:CNNVD-202102-1508

Trust: 0.6

sources: CNVD: CNVD-2021-12640 // CNNVD: CNNVD-202102-1508 // NVD: CVE-2020-4931

REFERENCES

url:https://exchange.xforce.ibmcloud.com/vulnerabilities/191747

Trust: 1.6

url:https://www.ibm.com/support/pages/node/6403295

Trust: 1.6

url:https://www.ibm.com/blogs/psirt/security-bulletin-ibm-mq-appliance-is-affected-by-a-denial-of-service-vulnerability-cve-2020-4931/

Trust: 1.2

url:https://nvd.nist.gov/vuln/detail/cve-2020-4931

Trust: 0.6

url:https://vigilance.fr/vulnerability/ibm-mq-appliance-denial-of-service-via-amqp-channels-34652

Trust: 0.6

url:https://www.ibm.com/blogs/psirt/security-bulletin-ibm-mq-amqp-channels-could-allow-an-authenticated-user-to-cause-a-denial-of-service-due-to-an-issue-processing-messages-cve-2020-4931/

Trust: 0.6

sources: CNVD: CNVD-2021-12640 // CNNVD: CNNVD-202102-1508 // NVD: CVE-2020-4931

SOURCES

db:CNVDid:CNVD-2021-12640
db:CNNVDid:CNNVD-202102-1508
db:NVDid:CVE-2020-4931

LAST UPDATE DATE

2024-11-23T23:07:39.677000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-12640date:2021-02-26T00:00:00
db:CNNVDid:CNNVD-202102-1508date:2021-04-14T00:00:00
db:NVDid:CVE-2020-4931date:2024-11-21T05:33:26.623

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-12640date:2021-02-25T00:00:00
db:CNNVDid:CNNVD-202102-1508date:2021-02-23T00:00:00
db:NVDid:CVE-2020-4931date:2021-02-24T18:15:12.797